4-Nin wa Sorezore Uso wo Tsuku

Chiemi Tanaka

Rikka (voice)

Natsumi Murakami

Chiyo (voice)

Ayane Sakura

Sekine (voice)

Megumi Han

Tsubasa (Tsuyoshi) (voice)

Yu Serizawa

Tsubasa (Older Sister) (voice)

Yuya Hirose

Hanzо̄ (voice)

Yoji Ueda

Brian-sensei (voice)

Tomoko Kaneda

Maskuma (voice)

Hochu Otsuka

Narration (voice)

Daisuke Ono

Head of the Research Institute (voice)

Rie Hikisaka

Space Octopus (voice)

Kosuke Echigoya

Elder (voice)

Yukana

Soothsayer (voice)

Rena Otsuki

Upskirt Girl (voice)

Min Konno

Sexy Lady (voice)